GB2128844B - Picture scanning illumination device - Google Patents

Picture scanning illumination device

Info

Publication number
GB2128844B
GB2128844B GB08324991A GB8324991A GB2128844B GB 2128844 B GB2128844 B GB 2128844B GB 08324991 A GB08324991 A GB 08324991A GB 8324991 A GB8324991 A GB 8324991A GB 2128844 B GB2128844 B GB 2128844B
Authority
GB
United Kingdom
Prior art keywords
illumination device
scanning illumination
picture scanning
picture
scanning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08324991A
Other languages
English (en)
Other versions
GB8324991D0 (en
GB2128844A (en
Inventor
Teruo Fujii
Mikizo Katsuyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB8324991D0 publication Critical patent/GB8324991D0/en
Publication of GB2128844A publication Critical patent/GB2128844A/en
Application granted granted Critical
Publication of GB2128844B publication Critical patent/GB2128844B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/029—Heads optically focused on only one picture element at a time

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB08324991A 1982-10-04 1983-09-19 Picture scanning illumination device Expired GB2128844B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57174158A JPS5962819A (ja) 1982-10-04 1982-10-04 画像走査装置における透過照明装置

Publications (3)

Publication Number Publication Date
GB8324991D0 GB8324991D0 (en) 1983-10-19
GB2128844A GB2128844A (en) 1984-05-02
GB2128844B true GB2128844B (en) 1986-09-24

Family

ID=15973701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08324991A Expired GB2128844B (en) 1982-10-04 1983-09-19 Picture scanning illumination device

Country Status (4)

Country Link
US (1) US4558214A (enrdf_load_stackoverflow)
JP (1) JPS5962819A (enrdf_load_stackoverflow)
DE (1) DE3335854A1 (enrdf_load_stackoverflow)
GB (1) GB2128844B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974810A (en) * 1989-12-18 1990-12-04 Eastman Kodak Company Flare light compensation
DE4119563C2 (de) * 1991-06-14 1996-05-09 Hell Ag Linotype Vorrichtung zur Abtastung von Vorlagen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170367A (en) * 1961-05-10 1965-02-23 Agfa Ag Photographic enlarger
DE1914944A1 (de) * 1969-03-24 1970-10-08 Agfa Gevaert Ag Mikrofilm-Schrittaufnahmegeraet
GB1583145A (en) * 1976-06-26 1981-01-21 Crosfield Electronics Ltd Scanning heads for transparencies

Also Published As

Publication number Publication date
GB8324991D0 (en) 1983-10-19
DE3335854C2 (enrdf_load_stackoverflow) 1988-09-29
JPS632108B2 (enrdf_load_stackoverflow) 1988-01-16
US4558214A (en) 1985-12-10
DE3335854A1 (de) 1984-04-05
GB2128844A (en) 1984-05-02
JPS5962819A (ja) 1984-04-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930919